Biology: Functions of Sertoli Cells
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Questions and Answers

What is the primary function of the blood-testes barrier formed by Sertoli cells?

  • To stimulate the production of FSH
  • To regulate the temperature of the testes
  • To prevent the passage of immune cells into the testes (correct)
  • To allow the passage of testosterone into the testes
  • Which of the following hormones is secreted by Sertoli cells to regulate sperm production?

  • LH
  • Inhibin (correct)
  • Testosterone
  • FSH
  • What is the role of Sertoli cells in the process of spermatogenesis?

  • To secrete sperm into the epididymis
  • To mediate the effects of FSH on spermatogenesis (correct)
  • To produce testosterone
  • To stimulate the proliferation of spermatogonia
  • What is the fate of excess spermatids in the testes?

    <p>They are phagocytosed by Sertoli cells</p> Signup and view all the answers

    What is the role of Sertoli cells in the development of spermatocytes?

    <p>They provide a nourishing environment for spermatocyte development</p> Signup and view all the answers

    What is the role of Sertoli cells in regulating the effects of hormones on spermatogenesis?

    <p>Mediating the effects of testosterone and FSH</p> Signup and view all the answers

    Which of the following is a result of phagocytosis by Sertoli cells?

    <p>Removal of excess spermatids</p> Signup and view all the answers

    What is the role of inhibin, a hormone secreted by Sertoli cells?

    <p>Regulating sperm production by inhibiting FSH production</p> Signup and view all the answers

    What is the function of the blood-testes barrier formed by Sertoli cells in relation to spermatocytes?

    <p>Protecting spermatocytes from the immune system</p> Signup and view all the answers

    What is the relationship between Sertoli cells and spermatocytes?

    <p>Sertoli cells nourish spermatocytes</p> Signup and view all the answers

    Study Notes

    SERTOLI CELLS - form blood testes barrier - nourish spermatocytes - mediate the effects of testosterone and FSH on spermatogenesis - phagocytose excess spermatids - secrete the hormone inhibin which helps regulate sperm production by inhibiting production of FSH

    SERTOLI CELLS - form blood testes barrier - nourish spermatocytes - mediate the effects of testosterone and FSH on spermatogenesis - phagocytose excess spermatids - secrete the hormone inhibin which helps regulate sperm production by inhibiting production of FSH

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    Description

    This quiz covers the functions of Sertoli cells in the testes, including forming the blood-testes barrier, nourishing spermatocytes, and regulating sperm production. Learn about the roles of testosterone, FSH, and inhibin in spermatogenesis.

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